Peter,

That is an impressive outburst!

This comet is well-placed for us at the moment and could be a nice
object early next year so it is definitely worth keeping an eye on it.

Nick.

On 21/07/2023 01:11, Peter Carson wrote:
> Hello all,
>
> My measurement of 12P/Pons-Brooks this evening at 2023-07-20.93  gives mag 11.61
> in a 0.56 arcminute radius aperture against Gaia G using Comphot photometry
> software. It was mag 16.9 on 2023-07-16.02.
>
> My image is here http://www.astromania.co.uk/12P_20230720_2219_PCarson.jpg
>
> Peter
>
> Peter Carson MPC Z10